计算长方体的体积的方法很简单，你只需要知道它的长宽高就够了。如果你想知道具体的方法，那么就快点跟着本文的方法做吧。
步骤
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1
找到长方体的长。“长”是长方体顶面或底面的最长边。
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2
找到长方体的宽。“宽”是长方体顶面或底面的较短边。
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3
找到长方体的高。“高”是长方体“上升”的距离。想像一下，一个平面长方形，抬高一段距离就能构成立体图形，抬高的这段距离，就是“高”。
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4
将长、宽、高乘起来。以任意顺序相乘，得到的结果都是一样的。长方体的体积公式如下：体积=长x高x宽
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5
加上体积单位。由于你计算的是体积，是三维图形。你需要将结果的单位，写成立方形式。无论原单位是什么，最终答案的单位一定要是立方形式。